Average temperature in December is -8.9 °C
Average daytime temperature is -5.7 °C
Average night temperature is -12.1 °C
Absolute maximum temperature: 6.9 °C
Absolute minimum temperature: -21 °C
Number of sunny days: 16
Number of rainy days: 7
Number of snow days: 8
Precipitation sum: 118 mm
* Weather data for Trofors Norway is based on climate observations for 2023 year
| December (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | -13.7 | -15.3 | -15.4 | -7.4 | -3.3 | -4.4 | -6.9 | -3.7 | -1.7 | -4.4 | -8.9 | -7.4 | -12.8 | -14.2 | -0.4 | 6.9 | 3.6 | 4.2 | 4.2 | -1.1 | -6.2 | -6.6 | -8.5 | -13 | -7.8 | 0.1 | -0.3 | -3.8 | -5.6 | -7.5 | -16.5 |
| Apparent max temperature | -18 | -19.5 | -20 | -11.2 | -6.6 | -7.7 | -11 | -7.4 | -5.6 | -8.6 | -13.1 | -11.4 | -17.4 | -19 | -3.4 | 3.3 | -0.4 | 0.8 | 0.3 | -4.7 | -10.6 | -10.5 | -12.8 | -16.9 | -11.7 | -4.9 | -5.1 | -7.4 | -10.6 | -12.3 | -21.5 |
| Mean temperature | -15.4 | -16.4 | -17.9 | -13.6 | -5.4 | -6.5 | -9.8 | -11 | -3.2 | -6.5 | -11.4 | -12.1 | -16.1 | -18.7 | -4.9 | 2.7 | 2.8 | 3.5 | 1.8 | -5.4 | -7.9 | -9.7 | -13.4 | -15 | -10.9 | -7 | -2.8 | -8.6 | -6.8 | -10.9 | -18.8 |
| Apparent mean temperature | -20.7 | -23 | -23.7 | -20.9 | -13.5 | -13 | -20 | -21.3 | -10.7 | -16.4 | -19.2 | -20.2 | -25.1 | -25.2 | -17.6 | -3.7 | -3.8 | -1 | -5 | -12.6 | -14.4 | -17.4 | -20.2 | -22.6 | -22.6 | -15.2 | -11.2 | -16.7 | -13.2 | -19.3 | -26.3 |
| Minimum temperature | -16.4 | -18.4 | -18.9 | -16.5 | -9.5 | -8.8 | -15 | -16.5 | -6.4 | -11.7 | -14.7 | -15.4 | -19.9 | -20 | -12.8 | -0.4 | 1.6 | 2 | -1 | -8.7 | -9.9 | -12.4 | -15.9 | -17.2 | -17.3 | -11.2 | -7 | -12 | -8.4 | -14.6 | -21 |
| Apparent min temperature | -19.5 | -20.8 | -22.6 | -17.7 | -8.9 | -10.4 | -14.1 | -15.5 | -7.2 | -10.9 | -15.8 | -16.6 | -21 | -23.6 | -8.6 | -1.1 | -1.7 | 0.1 | -3.4 | -9 | -12.2 | -14.1 | -17.7 | -19.6 | -15.2 | -10.8 | -7.1 | -12.6 | -11.8 | -15.5 | -24 |
| December | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 4.3 | 4.3 | 4.2 | 4.1 | 4 | 3.9 | 3.8 | 3.7 | 3.7 | 3.6 | 3.5 | 3.5 | 3.4 | 3.4 | 3.3 | 3.3 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.2 | 3.3 | 3.3 | 3.3 | 3.4 | 3.5 |
| Sunshine duration (h) | 1 | 0.3 | 1.3 | 0 | 0 | 0 | 0 | 1.6 | 0 | 0 | 1.4 | 1.5 | 1.7 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0.4 | 1.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 4.7 | 0.4 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 8.2 | 33 | 8.8 | 26.3 | 25.1 | 0 | 0.5 | 0.4 | 0 | 0.1 | 0.7 | 4.2 | 5 | 0 | 0 | 0.3 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 17 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 17 | 21 | 21 | 22 | 21 | 0 | 5 | 4 | 0 | 1 | 7 | 15 | 20 | 0 | 0 | 3 | 0 |
| Wind speed (m/s) | 4.5 | 5.8 | 7.3 | 5.1 | 4.8 | 5.9 | 9.4 | 7.7 | 8.9 | 10.7 | 8.4 | 9.1 | 9.1 | 9.4 | 8.9 | 23.1 | 24.5 | 18.9 | 33.1 | 7.4 | 9.7 | 9.6 | 10.4 | 11.5 | 11.2 | 18 | 20.9 | 8.2 | 14.1 | 10.7 | 10.9 |
In December 2023, the highest daytime temperature in Trofors was 6.9°C.
While the minimum temperature at night dropped to -21°C.
The average nighttime and daytime temperatures during December in Trofors are -12.1°C and -5.7°C respectively.
The precipitation sum in December is about 118 mm.